1. When someone breaks up with their partner, and quickly rebounds to you.The love between the both of you is called dog love.

2. When a person undergoes a break up and finds a new boyfriend/girlfriend immediately because they are emotionally unstable and vulnerable.Slightly more advanced than puppy love but it usually leads to failure in the long run.

3. After coming out of a relationship, very quickly finding a new love interest of greater value than the previous relationship like a traditional rebound.

4. The bestial act of fucking a dog.

5. Girls who enjoy doggie style.

Daya : Don't date her dude. She just broke up with him.The love you have will be dog love.

Josh :Don't worry man, I am not gonna fall in love with her. I just want a quick fuck.